Abstract
To solve the signal weak problem of sensor network in underground space and to reduce the introduction of noise and resist interference, through analysis to micro cellular congestion phenomenon, macro cellular base station in the distribution system of the sensor network, through the simulation and combination to the actual measurement data, the system which include microcells, repeater station, trunk amplifier, active devices is optimized. The signal is distributed with the method, which combines coupler and power splitter, to appropriately increase the number of antennas and to reduce the output power of the antenna per unit area. The test noise of the base station entrance which overly noise level of the inter-modulation and superposition is less than 10−4 dBm, and the output level which goes down signal to the antenna is no more than 30 dBm. The wireless distributed sensor network system can be used to share outdoor macro cellular tasks, which extends the information coverage area in the underground space. The network equipment realizes low power consumption and high anti-interference, and improves the anti-impact level of the information system as a whole.
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Meng, Z. (2021). Low Energy Consumption and Data Optimization of Distributed Sensing Wireless Network in Underground Space. In: Abawajy, J., Choo, KK., Xu, Z., Atiquzzaman, M. (eds) 2020 International Conference on Applications and Techniques in Cyber Intelligence. ATCI 2020. Advances in Intelligent Systems and Computing, vol 1244. Springer, Cham. https://doi.org/10.1007/978-3-030-53980-1_36
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DOI: https://doi.org/10.1007/978-3-030-53980-1_36
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